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1955年夏季山东省临清县棉花红蜘蛛为害严重,因为当时缺乏1605药剂,为了解决防治红蜘蛛的药剂问题,乃着手研究如何有效的利用当地现有药剂,并进行了几种药剂的使用方法及药效试验,结果如下:
In the summer of 1955, cotton spider mite was severely damaged in Linqing County, Shandong Province because of the lack of 1605 pesticides at that time. In order to solve the problem of pesticides for controlling spider mites, it was to study how to effectively use the existing medicaments locally and to use several medicaments And efficacy test, the results are as follows: